Authors
Lauma Balode
Institute of Energy Systems and Environment, Riga Technical University, Riga, Latvia
Ieva Pakere
Institute of Energy Systems and Environment, Riga Technical University, Riga, Latvia
Ilze Luksta
Institute of Energy Systems and Environment, Riga Technical University, Riga, Latvia
Dagnija Blumberga
Institute of Energy Systems and Environment, Riga Technical University, Riga, Latvia